How-To Geek on MSN

Using grep: 5 game-changing command examples

With -w, grep will match “error” but skip things like “errors” or “terror.” The difference can be subtle, but when you’re ...
Nature

Expression systems articles from across Nature Portfolio

Expression systems are genetic constructs (a gene encoded by DNA) that are designed to produce a protein, or an RNA (ribonucleic acid), either inside or outside a cell. Expression systems are used in ...